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Softa [21]
4 years ago
9

2000 tickets were sold in an exhibition on Saturday. The cost of an adult ticket is $4 and a child’s ticket is $2. The total amo

unt of revenue collected was $6400. Find the number of adult tickets and the number of child tickets sold.
Mathematics
1 answer:
Eva8 [605]4 years ago
3 0

Answer: idk

Step-by-step explanation:

Idc

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f a rectangle has a perimeter of 70, a length of x and a width of x - 9, find the value of the length of the rectangle.
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( x + (x  -  9))  \times 2 = 70 \\( 2x - 9) \times2= 70 \\ 4x - 18 = 70 \\ 4x = 70 + 18 = 88
x =  \frac{88}{4}  = 22
the length is 22


and the width is
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